diff --git a/chrome/content/zotero/xpcom/cite.js b/chrome/content/zotero/xpcom/cite.js
index 1dcdb468b9..f284eb6ae0 100644
--- a/chrome/content/zotero/xpcom/cite.js
+++ b/chrome/content/zotero/xpcom/cite.js
@@ -271,7 +271,7 @@ Zotero.Cite.makeFormattedBibliography = function(cslEngine, format) {
 		var maxOffset = parseInt(bib[0].maxoffset);
 		var entrySpacing = parseInt(bib[0].entryspacing);
 		var lineSpacing = parseInt(bib[0].linespacing);
-		var hangingIndent = !!bib[0].hangingindent;
+		var hangingIndent = parseInt(bib[0].hangingindent);
 		var secondFieldAlign = bib[0]["second-field-align"];
 		
 		// Validate input